Add initial test and code to implement it.

3 files changed, 86 insertions, 0 deletions

diff --git a/ttystatus/__init__.py b/ttystatus/__init__.py
new file mode 100644
index 0000000..db97c0b
--- /dev/null
+++ b/ttystatus/__init__.py
@@ -0,0 +1,17 @@
+# Copyright 2010  Lars Wirzenius
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from messager import Messager
diff --git a/ttystatus/messager.py b/ttystatus/messager.py
new file mode 100644
index 0000000..c961267
--- /dev/null
+++ b/ttystatus/messager.py
@@ -0,0 +1,28 @@
+# Copyright 2010  Lars Wirzenius
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import sys
+
+
+class Messager(object):
+
+    '''Write messages to the terminal.'''
+    
+    def __init__(self, output=None):
+        self.output = output or sys.stderr
+        
+    def raw_write(self, string):
+        self.output.write(string)
diff --git a/ttystatus/messager_tests.py b/ttystatus/messager_tests.py
new file mode 100644
index 0000000..000f182
--- /dev/null
+++ b/ttystatus/messager_tests.py
@@ -0,0 +1,41 @@
+# Copyright 2010  Lars Wirzenius
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import StringIO
+import unittest
+
+import ttystatus
+
+
+class DummyTerminal(StringIO.StringIO):
+
+    def isatty(self):
+        return True
+
+
+class MessagerTests(unittest.TestCase):
+
+    def setUp(self):
+        self.output = DummyTerminal()
+        self.messager = ttystatus.Messager(output=self.output)
+        
+    def test_sets_output(self):
+        self.assertEqual(self.messager.output, self.output)
+        
+    def test_writes_nothing_if_output_is_not_a_terminal(self):
+        self.messager.output = StringIO.StringIO()
+        self.messager.raw_write('foo')
+        self.assertEqual(self.output.getvalue(), '')